Blue Square Bet
Published 24th September 2012
O'Keefe, 23 and a free agent, was released by Conference Premier rivals Lincoln City in December 2011 after making ten appearances that season.
The former Blackburn Rovers trainee played fifty times for the Imps following his move from Walsall in the summer of 2010.
He had played thirteen times for the Saddlers prior to his move to Sincil Bank.
He joined Southport in March 2012 and played seven times for the Haig Avenue outfit.